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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/tree-pass.h | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/tree-pass.h')
-rw-r--r-- | gcc-4.9/gcc/tree-pass.h | 627 |
1 files changed, 627 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/tree-pass.h b/gcc-4.9/gcc/tree-pass.h new file mode 100644 index 000000000..3b8677098 --- /dev/null +++ b/gcc-4.9/gcc/tree-pass.h @@ -0,0 +1,627 @@ +/* Definitions for describing one tree-ssa optimization pass. + Copyright (C) 2004-2014 Free Software Foundation, Inc. + Contributed by Richard Henderson <rth@redhat.com> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + + +#ifndef GCC_TREE_PASS_H +#define GCC_TREE_PASS_H 1 + +#include "timevar.h" +#include "dumpfile.h" + +/* Optimization pass type. */ +enum opt_pass_type +{ + GIMPLE_PASS, + RTL_PASS, + SIMPLE_IPA_PASS, + IPA_PASS +}; + +/* Metadata for a pass, non-varying across all instances of a pass. */ +struct pass_data +{ + /* Optimization pass type. */ + enum opt_pass_type type; + + /* Terse name of the pass used as a fragment of the dump file + name. If the name starts with a star, no dump happens. */ + const char *name; + + /* The -fopt-info optimization group flags as defined in dumpfile.h. */ + unsigned int optinfo_flags; + + /* If true, this pass has its own implementation of the opt_pass::gate + method. */ + bool has_gate; + + /* If true, this pass has its own implementation of the opt_pass::execute + method. */ + bool has_execute; + + /* The timevar id associated with this pass. */ + /* ??? Ideally would be dynamically assigned. */ + timevar_id_t tv_id; + + /* Sets of properties input and output from this pass. */ + unsigned int properties_required; + unsigned int properties_provided; + unsigned int properties_destroyed; + + /* Flags indicating common sets things to do before and after. */ + unsigned int todo_flags_start; + unsigned int todo_flags_finish; +}; + +namespace gcc +{ + class context; +} // namespace gcc + +/* An instance of a pass. This is also "pass_data" to minimize the + changes in existing code. */ +class opt_pass : public pass_data +{ +public: + virtual ~opt_pass () { } + + /* Create a copy of this pass. + + Passes that can have multiple instances must provide their own + implementation of this, to ensure that any sharing of state between + this instance and the copy is "wired up" correctly. + + The default implementation prints an error message and aborts. */ + virtual opt_pass *clone (); + + /* If has_gate is set, this pass and all sub-passes are executed only if + the function returns true. + The default implementation returns true. */ + virtual bool gate (); + + /* This is the code to run. If has_execute is false, then there should + be sub-passes otherwise this pass does nothing. + The return value contains TODOs to execute in addition to those in + TODO_flags_finish. */ + virtual unsigned int execute (); + +protected: + opt_pass (const pass_data&, gcc::context *); + +public: + /* A list of sub-passes to run, dependent on gate predicate. */ + opt_pass *sub; + + /* Next in the list of passes to run, independent of gate predicate. */ + opt_pass *next; + + /* Static pass number, used as a fragment of the dump file name. */ + int static_pass_number; + + /* When a given dump file is being initialized, this flag is set to + true if the corresponding TDF_graph dump file has also been + initialized. */ + bool graph_dump_initialized; + +protected: + gcc::context *m_ctxt; +}; + +/* Description of GIMPLE pass. */ +class gimple_opt_pass : public opt_pass +{ +protected: + gimple_opt_pass (const pass_data& data, gcc::context *ctxt) + : opt_pass (data, ctxt) + { + } +}; + +/* Description of RTL pass. */ +class rtl_opt_pass : public opt_pass +{ +protected: + rtl_opt_pass (const pass_data& data, gcc::context *ctxt) + : opt_pass (data, ctxt) + { + } +}; + +class varpool_node; +struct cgraph_node; +struct lto_symtab_encoder_d; + +/* Description of IPA pass with generate summary, write, execute, read and + transform stages. */ +class ipa_opt_pass_d : public opt_pass +{ +public: + /* IPA passes can analyze function body and variable initializers + using this hook and produce summary. */ + void (*generate_summary) (void); + + /* This hook is used to serialize IPA summaries on disk. */ + void (*write_summary) (void); + + /* This hook is used to deserialize IPA summaries from disk. */ + void (*read_summary) (void); + + /* This hook is used to serialize IPA optimization summaries on disk. */ + void (*write_optimization_summary) (void); + + /* This hook is used to deserialize IPA summaries from disk. */ + void (*read_optimization_summary) (void); + + /* Hook to convert gimple stmt uids into true gimple statements. The second + parameter is an array of statements indexed by their uid. */ + void (*stmt_fixup) (struct cgraph_node *, gimple *); + + /* Results of interprocedural propagation of an IPA pass is applied to + function body via this hook. */ + unsigned int function_transform_todo_flags_start; + unsigned int (*function_transform) (struct cgraph_node *); + void (*variable_transform) (varpool_node *); + +protected: + ipa_opt_pass_d (const pass_data& data, gcc::context *ctxt, + void (*generate_summary) (void), + void (*write_summary) (void), + void (*read_summary) (void), + void (*write_optimization_summary) (void), + void (*read_optimization_summary) (void), + void (*stmt_fixup) (struct cgraph_node *, gimple *), + unsigned int function_transform_todo_flags_start, + unsigned int (*function_transform) (struct cgraph_node *), + void (*variable_transform) (varpool_node *)) + : opt_pass (data, ctxt), + generate_summary (generate_summary), + write_summary (write_summary), + read_summary (read_summary), + write_optimization_summary (write_optimization_summary), + read_optimization_summary (read_optimization_summary), + stmt_fixup (stmt_fixup), + function_transform_todo_flags_start (function_transform_todo_flags_start), + function_transform (function_transform), + variable_transform (variable_transform) + { + } +}; + +/* Description of simple IPA pass. Simple IPA passes have just one execute + hook. */ +class simple_ipa_opt_pass : public opt_pass +{ +protected: + simple_ipa_opt_pass (const pass_data& data, gcc::context *ctxt) + : opt_pass (data, ctxt) + { + } +}; + +/* Pass properties. */ +#define PROP_gimple_any (1 << 0) /* entire gimple grammar */ +#define PROP_gimple_lcf (1 << 1) /* lowered control flow */ +#define PROP_gimple_leh (1 << 2) /* lowered eh */ +#define PROP_cfg (1 << 3) +#define PROP_ssa (1 << 5) +#define PROP_no_crit_edges (1 << 6) +#define PROP_rtl (1 << 7) +#define PROP_gimple_lomp (1 << 8) /* lowered OpenMP directives */ +#define PROP_cfglayout (1 << 9) /* cfglayout mode on RTL */ +#define PROP_gimple_lcx (1 << 10) /* lowered complex */ +#define PROP_loops (1 << 11) /* preserve loop structures */ +#define PROP_gimple_lvec (1 << 12) /* lowered vector */ + +#define PROP_trees \ + (PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh | PROP_gimple_lomp) + +/* To-do flags. */ +#define TODO_do_not_ggc_collect (1 << 1) +#define TODO_verify_ssa (1 << 2) +#define TODO_verify_flow (1 << 3) +#define TODO_verify_stmts (1 << 4) +#define TODO_cleanup_cfg (1 << 5) +#define TODO_dump_symtab (1 << 7) +#define TODO_remove_functions (1 << 8) +#define TODO_rebuild_frequencies (1 << 9) +#define TODO_verify_rtl_sharing (1 << 10) + +/* To-do flags for calls to update_ssa. */ + +/* Update the SSA form inserting PHI nodes for newly exposed symbols + and virtual names marked for updating. When updating real names, + only insert PHI nodes for a real name O_j in blocks reached by all + the new and old definitions for O_j. If the iterated dominance + frontier for O_j is not pruned, we may end up inserting PHI nodes + in blocks that have one or more edges with no incoming definition + for O_j. This would lead to uninitialized warnings for O_j's + symbol. */ +#define TODO_update_ssa (1 << 11) + +/* Update the SSA form without inserting any new PHI nodes at all. + This is used by passes that have either inserted all the PHI nodes + themselves or passes that need only to patch use-def and def-def + chains for virtuals (e.g., DCE). */ +#define TODO_update_ssa_no_phi (1 << 12) + +/* Insert PHI nodes everywhere they are needed. No pruning of the + IDF is done. This is used by passes that need the PHI nodes for + O_j even if it means that some arguments will come from the default + definition of O_j's symbol. + + WARNING: If you need to use this flag, chances are that your pass + may be doing something wrong. Inserting PHI nodes for an old name + where not all edges carry a new replacement may lead to silent + codegen errors or spurious uninitialized warnings. */ +#define TODO_update_ssa_full_phi (1 << 13) + +/* Passes that update the SSA form on their own may want to delegate + the updating of virtual names to the generic updater. Since FUD + chains are easier to maintain, this simplifies the work they need + to do. NOTE: If this flag is used, any OLD->NEW mappings for real + names are explicitly destroyed and only the symbols marked for + renaming are processed. */ +#define TODO_update_ssa_only_virtuals (1 << 14) + +/* Some passes leave unused local variables that can be removed from + cfun->local_decls. This reduces the size of dump files + and the memory footprint for VAR_DECLs. */ +#define TODO_remove_unused_locals (1 << 15) + +/* Call df_finish at the end of the pass. This is done after all of + the dumpers have been allowed to run so that they have access to + the instance before it is destroyed. */ +#define TODO_df_finish (1 << 17) + +/* Call df_verify at the end of the pass if checking is enabled. */ +#define TODO_df_verify (1 << 18) + +/* Internally used for the first instance of a pass. */ +#define TODO_mark_first_instance (1 << 19) + +/* Rebuild aliasing info. */ +#define TODO_rebuild_alias (1 << 20) + +/* Rebuild the addressable-vars bitmap and do register promotion. */ +#define TODO_update_address_taken (1 << 21) + +/* Rebuild the callgraph edges. */ +#define TODO_rebuild_cgraph_edges (1 << 22) + +/* Internally used in execute_function_todo(). */ +#define TODO_update_ssa_any \ + (TODO_update_ssa \ + | TODO_update_ssa_no_phi \ + | TODO_update_ssa_full_phi \ + | TODO_update_ssa_only_virtuals) + +#define TODO_verify_all \ + (TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts) + + +/* Register pass info. */ + +enum pass_positioning_ops +{ + PASS_POS_INSERT_AFTER, /* Insert after the reference pass. */ + PASS_POS_INSERT_BEFORE, /* Insert before the reference pass. */ + PASS_POS_REPLACE /* Replace the reference pass. */ +}; + +struct register_pass_info +{ + opt_pass *pass; /* New pass to register. */ + const char *reference_pass_name; /* Name of the reference pass for hooking + up the new pass. */ + int ref_pass_instance_number; /* Insert the pass at the specified + instance number of the reference pass. + Do it for every instance if it is 0. */ + enum pass_positioning_ops pos_op; /* how to insert the new pass. */ +}; + +/* Registers a new pass. Either fill out the register_pass_info or specify + the individual parameters. The pass object is expected to have been + allocated using operator new and the pass manager takes the ownership of + the pass object. */ +extern void register_pass (register_pass_info *); +extern void register_pass (opt_pass* pass, pass_positioning_ops pos, + const char* ref_pass_name, int ref_pass_inst_number); + +extern gimple_opt_pass *make_pass_asan (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_asan_O0 (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tsan (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tsan_O0 (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lower_cf (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_refactor_eh (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lower_eh (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lower_eh_dispatch (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lower_resx (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_build_cfg (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_early_tree_profile (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_cleanup_eh (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_sra (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_sra_early (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_early_ipa_sra (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tail_recursion (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tail_calls (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tree_loop (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tree_loop_init (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lim (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tree_unswitch (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_predcom (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_iv_canon (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_scev_cprop (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_empty_loop (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_record_bounds (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_graphite (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_graphite_transforms (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_if_conversion (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_loop_distribution (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_vectorize (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_slp_vectorize (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_complete_unroll (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_complete_unrolli (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_parallelize_loops (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_loop_prefetch (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_iv_optimize (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tree_loop_done (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_ch (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_ccp (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_phi_only_cprop (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_build_ssa (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_build_alias (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_build_ealias (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_dominator (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_dce (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_dce_loop (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_cd_dce (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_call_cdce (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_merge_phi (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_split_crit_edges (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_pre (gcc::context *ctxt); +extern unsigned int tail_merge_optimize (unsigned int); +extern gimple_opt_pass *make_pass_profile (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_strip_predict_hints (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lower_complex_O0 (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lower_complex (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lower_vector (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lower_vector_ssa (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lower_omp (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_diagnose_omp_blocks (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_expand_omp (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_object_sizes (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_strlen (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_fold_builtins (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_stdarg (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_early_warn_uninitialized (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_late_warn_uninitialized (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_cse_reciprocals (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_cse_sincos (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_optimize_bswap (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_optimize_widening_mul (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_warn_function_return (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_warn_function_noreturn (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_cselim (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_phiopt (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_forwprop (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_phiprop (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tree_ifcombine (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_dse (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_nrv (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_rename_ssa_copies (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_sink_code (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_fre (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_check_data_deps (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_copy_prop (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_isolate_erroneous_paths (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_vrp (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_uncprop (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_return_slot (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_reassoc (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_rebuild_cgraph_edges (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_remove_cgraph_callee_edges (gcc::context + *ctxt); +extern gimple_opt_pass *make_pass_build_cgraph_edges (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_local_pure_const (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tracer (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_warn_unused_result (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_diagnose_tm_blocks (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_lower_tm (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tm_init (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tm_mark (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tm_memopt (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_tm_edges (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_split_functions (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_feedback_split_functions (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_strength_reduction (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_vtable_verify (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_ubsan (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_sanopt (gcc::context *ctxt); + +/* IPA Passes */ +extern simple_ipa_opt_pass *make_pass_ipa_lower_emutls (gcc::context *ctxt); +extern simple_ipa_opt_pass + *make_pass_ipa_function_and_variable_visibility (gcc::context *ctxt); +extern simple_ipa_opt_pass *make_pass_ipa_tree_profile (gcc::context *ctxt); + +extern simple_ipa_opt_pass *make_pass_early_local_passes (gcc::context *ctxt); + +extern ipa_opt_pass_d *make_pass_ipa_whole_program_visibility (gcc::context + *ctxt); +extern simple_ipa_opt_pass *make_pass_ipa_increase_alignment (gcc::context + *ctxt); +extern ipa_opt_pass_d *make_pass_ipa_inline (gcc::context *ctxt); +extern simple_ipa_opt_pass *make_pass_ipa_free_lang_data (gcc::context *ctxt); +extern simple_ipa_opt_pass *make_pass_ipa_free_inline_summary (gcc::context + *ctxt); +extern ipa_opt_pass_d *make_pass_ipa_cp (gcc::context *ctxt); +extern ipa_opt_pass_d *make_pass_ipa_devirt (gcc::context *ctxt); +extern ipa_opt_pass_d *make_pass_ipa_reference (gcc::context *ctxt); +extern ipa_opt_pass_d *make_pass_ipa_pure_const (gcc::context *ctxt); +extern simple_ipa_opt_pass *make_pass_ipa_pta (gcc::context *ctxt); +extern simple_ipa_opt_pass *make_pass_ipa_tm (gcc::context *ctxt); +extern simple_ipa_opt_pass *make_pass_omp_simd_clone (gcc::context *ctxt); +extern ipa_opt_pass_d *make_pass_ipa_profile (gcc::context *ctxt); +extern ipa_opt_pass_d *make_pass_ipa_cdtor_merge (gcc::context *ctxt); + +extern gimple_opt_pass *make_pass_cleanup_cfg_post_optimizing (gcc::context + *ctxt); +extern gimple_opt_pass *make_pass_init_datastructures (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_fixup_cfg (gcc::context *ctxt); + +extern rtl_opt_pass *make_pass_expand (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_instantiate_virtual_regs (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_fwprop (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_fwprop_addr (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_jump (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_jump2 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_lower_subreg (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_cse (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_fast_rtl_dce (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_ud_rtl_dce (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_dce (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_dse1 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_dse2 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_dse3 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_cprop (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_pre (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_hoist (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_store_motion (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_cse_after_global_opts (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_ifcvt (gcc::context *ctxt); + +extern rtl_opt_pass *make_pass_into_cfg_layout_mode (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_outof_cfg_layout_mode (gcc::context *ctxt); + +extern rtl_opt_pass *make_pass_loop2 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_loop_init (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_move_loop_invariants (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_unswitch (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_unroll_and_peel_loops (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_doloop (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_loop_done (gcc::context *ctxt); + +extern rtl_opt_pass *make_pass_web (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_cse2 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_df_initialize_opt (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_df_initialize_no_opt (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_reginfo_init (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_inc_dec (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_stack_ptr_mod (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_initialize_regs (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_combine (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_if_after_combine (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_ree (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_partition_blocks (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_match_asm_constraints (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_split_all_insns (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_fast_rtl_byte_dce (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_lower_subreg2 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_mode_switching (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_sms (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_sched (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_live_range_shrinkage (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_ira (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_reload (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_clean_state (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_branch_prob (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_value_profile_transformations (gcc::context + *ctxt); +extern rtl_opt_pass *make_pass_postreload_cse (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_gcse2 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_split_after_reload (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_branch_target_load_optimize1 (gcc::context + *ctxt); +extern rtl_opt_pass *make_pass_thread_prologue_and_epilogue (gcc::context + *ctxt); +extern rtl_opt_pass *make_pass_stack_adjustments (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_peephole2 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_if_after_reload (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_regrename (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_cprop_hardreg (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_reorder_blocks (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_branch_target_load_optimize2 (gcc::context + *ctxt); +extern rtl_opt_pass *make_pass_leaf_regs (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_split_before_sched2 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_compare_elim_after_reload (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_sched2 (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_stack_regs (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_stack_regs_run (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_df_finish (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_compute_alignments (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_duplicate_computed_gotos (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_variable_tracking (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_free_cfg (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_machine_reorg (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_cleanup_barriers (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_delay_slots (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_split_for_shorten_branches (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_split_before_regstack (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_convert_to_eh_region_ranges (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_shorten_branches (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_set_nothrow_function_flags (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_dwarf2_frame (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_final (gcc::context *ctxt); +extern rtl_opt_pass *make_pass_rtl_seqabstr (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_release_ssa_names (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_early_inline (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_inline_parameters (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_update_address_taken (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_convert_switch (gcc::context *ctxt); + +/* Current optimization pass. */ +extern opt_pass *current_pass; + +extern bool execute_one_pass (opt_pass *); +extern void execute_pass_list (opt_pass *); +extern void execute_ipa_pass_list (opt_pass *); +extern void execute_ipa_summary_passes (ipa_opt_pass_d *); +extern void execute_all_ipa_transforms (void); +extern void execute_all_ipa_stmt_fixups (struct cgraph_node *, gimple *); +extern bool pass_init_dump_file (opt_pass *); +extern void pass_fini_dump_file (opt_pass *); + +extern const char *get_current_pass_name (void); +extern void print_current_pass (FILE *); +extern void debug_pass (void); +extern void ipa_write_summaries (void); +extern void ipa_write_optimization_summaries (struct lto_symtab_encoder_d *); +extern void ipa_read_summaries (void); +extern void ipa_read_optimization_summaries (void); +extern void register_one_dump_file (opt_pass *); +extern bool function_called_by_processed_nodes_p (void); + +/* Set to true if the pass is called the first time during compilation of the + current function. Note that using this information in the optimization + passes is considered not to be clean, and it should be avoided if possible. + This flag is currently used to prevent loops from being peeled repeatedly + in jump threading; it will be removed once we preserve loop structures + throughout the compilation -- we will be able to mark the affected loops + directly in jump threading, and avoid peeling them next time. */ +extern bool first_pass_instance; + +/* Declare for plugins. */ +extern void do_per_function_toporder (void (*) (void *), void *); + +extern void disable_pass (const char *); +extern void enable_pass (const char *); +extern void dump_passes (void); + +#endif /* GCC_TREE_PASS_H */ |